h2o_o2.hh

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// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
// vi: set et ts=4 sw=4 sts=4:
//
// SPDX-FileCopyrightText: Copyright © DuMux Project contributors, see AUTHORS.md in root folder
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef DUMUX_BINARY_COEFF_H2O_O2_HH
#define DUMUX_BINARY_COEFF_H2O_O2_HH
 
#include <dumux/material/binarycoefficients/henryiapws.hh>
#include <dumux/material/binarycoefficients/fullermethod.hh>
 
#include <dumux/material/components/o2.hh>
#include <dumux/material/components/h2o.hh>
 
namespace Dumux::BinaryCoeff {
 
class H2O_O2
{
public:
    template <class Scalar>
    static Scalar henry(Scalar temperature)
    {
        const Scalar E = 2305.0674;
        const Scalar F = -11.3240;
        const Scalar G = 25.3224;
        const Scalar H = -15.6449;
 
        return henryIAPWS(E, F, G, H, temperature);
    }
 
    template <class Scalar>
    static Scalar gasDiffCoeff(Scalar temperature, Scalar pressure)
    {
        using H2O = Dumux::Components::H2O<Scalar>;
        using O2 = Components::O2<Scalar>;
 
        // atomic diffusion volumes
        const Scalar SigmaNu[2] = { 13.1 /* H2O */,  16.3 /* O2 */ };
        // molar masses [g/mol]
        const Scalar M[2] = { H2O::molarMass()*1e3, O2::molarMass()*1e3 };
 
        return fullerMethod(M, SigmaNu, temperature, pressure);
    }
 
    template <class Scalar>
    static Scalar liquidDiffCoeff(Scalar temperature, Scalar pressure)
    {
        const Scalar Texp = 273.15 + 25; // [K]
        const Scalar Dexp = 2.2e-9; // [m^2/s]
        return Dexp * temperature/Texp;
    }
};
 
} // end namespace Dumux::BinaryCoeff
 
#endif